| Year | 1948 |
| Date | 22-Jul |
| Volume | 99 |
| Issue | 2,461 |
| Page | 97 |
| Category | Petrol Engine Topics |
| Part | |
| Title | Testing Small I.C. Engines |
| Author | Edgar T.Westbury |
| Notes | Mr Latta's hydraulic dynamometer, the variable-pitch airscrew, problems and complications, absorption dynamometer, hydraulic dynamometer (see 74 1832 586), simplest brakes to apply, fluid-friction dynamometers |